1. Nonlinear Integral Equations in Abstract Spaces;Guo,1996
2. Ordinary Differential Equations in Banach Saces;Demling,1977
3. Nonlinear Differential Equations in Abstract Spaces;Lakshmikantham,1981
4. Positive solutions for a nonlinear three-point boundary value problem;Ma;Electron. J. Differential Equations Appl. Math. Comput.,1999
5. Positive solutions of nonlinear four-point boundary value problem;Liu;Appl. Math. Comput.,2004